Haltech F9A - Manual (Page 80)

79
Chapter 1
Wiring Notes
You will have received mating connectors, pins and seals for two of the connectors on the
F9A secondary harness. These are for the Auxiliary I/O connector and the Road Speed
connector. Refer to the diagrams below, or the loom wiring diagram at the back of this
manual for pin-out information.
The main connector on the secondary harness plugs directly into the ECU. The two-way
power connector on the primary harness feeds +12V and ground to the secondary harness.
Make sure this connection has been secured. The rest of the loom should pass through the fire
wall (assuming the ECU is mounted in the cabin) then can be laid through the engine bay.
Use cable ties to secure the harness into place, but be sure not to stress wiring or connectors.
IMPORTANT
• Do not allow the harness to touch hot exhaust parts including manifolds or
turbochargers.
• Try to route the main harness away from high voltage ignition leads. Under no
circumstances run any wiring parallel to, or in contact with the ignition leads.
When attaching the connector pins, use the following guidelines. Use wires no lighter than
0.75 mm
2
(18 AWG), and no heavier than 2.1mm
2
(14 AWG). Strip approx 5 mm (0.2
″) of
insulation from the end of the wire. Push the seal over the insulation so that it aligns with the
edge of the exposed conductor. The pin sits around the end of the seal. Crimp the pin on both
the conductor and the seal. A small amount of solder on the crimped conductor is also
recommended.
Push the crimped terminal into the back of the connector housing until you hear an audible
click. The seal should be totally within the housing body. Insert the insulator plugs into the
empty holes. When all terminals holes are filled, lock down the hinged backshell.